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12142422210 = 2351723808671
BaseRepresentation
bin10110100111011111…
…01010100011000010
31011100020002221220010
423103233222203002
5144331430002320
65324514125350
7606620612562
oct132357524302
934306087803
1012142422210
115171098586
12242a580856
1311b680c519
148328d2da2
154b1004ae0
hex2d3bea8c2

12142422210 has 32 divisors (see below), whose sum is σ = 30856038912. Its totient is φ = 3047509760.

The previous prime is 12142422197. The next prime is 12142422211. The reversal of 12142422210 is 1222424121.

It is not an unprimeable number, because it can be changed into a prime (12142422211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11903826 + ... + 11904845.

It is an arithmetic number, because the mean of its divisors is an integer number (964251216).

Almost surely, 212142422210 is an apocalyptic number.

12142422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142422210 is an abundant number, since it is smaller than the sum of its proper divisors (18713616702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12142422210 is a wasteful number, since it uses less digits than its factorization.

12142422210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23808698.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12142422210 its reverse (1222424121), we get a palindrome (13364846331).

The spelling of 12142422210 in words is "twelve billion, one hundred forty-two million, four hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 23808671 47617342 71426013 119043355 142852026 238086710 357130065 404747407 714260130 809494814 1214242221 2023737035 2428484442 4047474070 6071211105 12142422210